Patio. Wednesday , January 24th , 2018 - 17:06:59 PM
Perhaps the concrete is basically sound, but has a few hairline cracks. In that case you can lay porcelain or stone tiles over the top, to give an elegant finish to your patio. It's a good idea to use tiles with a textured finish, to reduce the risk of slipping when the tiles are wet. You can use other materials such as sandstone, limestone, granite or slate, as long as they are properly sealed. If you often have freezing conditions over winter, then ensure the tiles don't absorb high levels of water, or they might crack. Be aware, too, that existing cracks in the concrete may expand and cause the tiles on top to crack as well.
In the Northeastern US, most suggest using at least a 4-6 inch base of crushed stone, and even up to 7 inches is recommended due to harsh winter weather. For brick pavers, this means that you'll need to dig to about 9\" depth, since the pavers are 2 inches in height. Since this is a lot of digging, it may be one of the primary reasons to hire a landscape company.
Next, measure and mark the region that you will be paving. Allow an extra 6-8 inches beyond the furthest dimensions of the patio to provide a firm base for the entire area of pavers and to allow for minor adjustments during the laying and cutting in of the pavers. Place stakes at the edges of the markings and attach a string line to the stakes at the final height.
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